this package seems to have new commits in its VCS but has
not yet updated debian/changelog. You should consider updating
the Debian changelog and uploading this new version into the archive.
Here are the relevant commit logs:
Author: John Scott <email@example.com>
Date: Mon Jul 13 17:42:14 2020 -0400
Update debian/watch to version 4 and enable signature checking.
Author: Gianfranco Costamagna <firstname.lastname@example.org>
Date: Thu Nov 5 11:58:01 2020 +0100
poppler: add some optional symbols that appears/disappears when the source is built with -O3